DigitalMultiChannelWriter.WriteSingleSamplePort Method (Boolean, Byte[])
- Updated2023-02-21
- 2 minute(s) read
DigitalMultiChannelWriterWriteSingleSamplePort Method (Boolean, Byte)
Namespace: NationalInstruments.DAQmx
Assembly: NationalInstruments.DAQmx (in NationalInstruments.DAQmx.dll) Version: 20.7.40.49302
Syntax
public void WriteSingleSamplePort( bool autoStart, byte[] data )
Public Sub WriteSingleSamplePort ( autoStart As Boolean, data As Byte() )
Parameters
- autoStart
- Type: SystemBoolean
If set to this method automatically calls Start if you do not explicitly call it. You cannot set this parameter to if you have installed events on the task. - data
- Type: SystemByte
A 1D array of 8-bit unsigned integer samples to write to the task. Each element in the array corresponds to a channel in the task. The order of the channels in the array correspond to the order in which you add the channels to the task. The order of the lines in the array corresponds to the order in which you add the lines to the channel.
Exceptions
| Exception | Condition |
|---|---|
| DaqException | The NI-DAQmx driver returned an error. |
| IndexOutOfRangeException | data has a non-zero lower bound. |
Remarks
Use this method for devices with up to eight lines per port.
NI-DAQmx read and write methods time out after the amount of time specified by the Timeout property on the task you are reading from or writing to.
This method returns immediately if the output buffer has sufficient space for the samples. Otherwise, the call is blocked until the application generates enough samples to fit the new data into the output buffer.